Commit | Line | Data |
---|---|---|
95a3477f KH |
1 | /* |
2 | * TI DaVinci EVM board support | |
3 | * | |
4 | * Author: Kevin Hilman, Deep Root Systems, LLC | |
5 | * | |
6 | * 2007 (c) MontaVista Software, Inc. This file is licensed under | |
7 | * the terms of the GNU General Public License version 2. This program | |
8 | * is licensed "as is" without any warranty of any kind, whether express | |
9 | * or implied. | |
10 | */ | |
11 | #include <linux/kernel.h> | |
95a3477f | 12 | #include <linux/init.h> |
42d399e4 | 13 | #include <linux/err.h> |
95a3477f KH |
14 | #include <linux/platform_device.h> |
15 | #include <linux/mtd/mtd.h> | |
16 | #include <linux/mtd/partitions.h> | |
17 | #include <linux/mtd/nand.h> | |
18 | #include <linux/i2c.h> | |
95a3477f KH |
19 | #include <linux/gpio.h> |
20 | #include <linux/clk.h> | |
51e68e27 MK |
21 | #include <linux/videodev2.h> |
22 | #include <media/tvp514x.h> | |
95a3477f KH |
23 | #include <linux/spi/spi.h> |
24 | #include <linux/spi/eeprom.h> | |
25 | ||
95a3477f KH |
26 | #include <asm/mach-types.h> |
27 | #include <asm/mach/arch.h> | |
95a3477f | 28 | |
95a3477f | 29 | #include <mach/dm355.h> |
95a3477f KH |
30 | #include <mach/i2c.h> |
31 | #include <mach/serial.h> | |
32 | #include <mach/nand.h> | |
2dbf56ae | 33 | #include <mach/mmc.h> |
355fb4e3 | 34 | #include <mach/usb.h> |
95a3477f KH |
35 | |
36 | #define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e10000 | |
37 | #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 | |
38 | ||
39 | /* NOTE: this is geared for the standard config, with a socketed | |
40 | * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you | |
41 | * swap chips, maybe with a different block size, partitioning may | |
42 | * need to be changed. | |
43 | */ | |
44 | #define NAND_BLOCK_SIZE SZ_128K | |
45 | ||
46 | static struct mtd_partition davinci_nand_partitions[] = { | |
47 | { | |
48 | /* UBL (a few copies) plus U-Boot */ | |
49 | .name = "bootloader", | |
50 | .offset = 0, | |
51 | .size = 15 * NAND_BLOCK_SIZE, | |
52 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
53 | }, { | |
54 | /* U-Boot environment */ | |
55 | .name = "params", | |
56 | .offset = MTDPART_OFS_APPEND, | |
57 | .size = 1 * NAND_BLOCK_SIZE, | |
58 | .mask_flags = 0, | |
59 | }, { | |
60 | .name = "kernel", | |
61 | .offset = MTDPART_OFS_APPEND, | |
62 | .size = SZ_4M, | |
63 | .mask_flags = 0, | |
64 | }, { | |
65 | .name = "filesystem1", | |
66 | .offset = MTDPART_OFS_APPEND, | |
67 | .size = SZ_512M, | |
68 | .mask_flags = 0, | |
69 | }, { | |
70 | .name = "filesystem2", | |
71 | .offset = MTDPART_OFS_APPEND, | |
72 | .size = MTDPART_SIZ_FULL, | |
73 | .mask_flags = 0, | |
74 | } | |
75 | /* two blocks with bad block table (and mirror) at the end */ | |
76 | }; | |
77 | ||
78 | static struct davinci_nand_pdata davinci_nand_data = { | |
79 | .mask_chipsel = BIT(14), | |
80 | .parts = davinci_nand_partitions, | |
81 | .nr_parts = ARRAY_SIZE(davinci_nand_partitions), | |
74c987a0 | 82 | .ecc_mode = NAND_ECC_HW, |
95a3477f | 83 | .options = NAND_USE_FLASH_BBT, |
74c987a0 | 84 | .ecc_bits = 4, |
95a3477f KH |
85 | }; |
86 | ||
87 | static struct resource davinci_nand_resources[] = { | |
88 | { | |
89 | .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE, | |
90 | .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1, | |
91 | .flags = IORESOURCE_MEM, | |
92 | }, { | |
93 | .start = DAVINCI_ASYNC_EMIF_CONTROL_BASE, | |
94 | .end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, | |
95 | .flags = IORESOURCE_MEM, | |
96 | }, | |
97 | }; | |
98 | ||
99 | static struct platform_device davinci_nand_device = { | |
100 | .name = "davinci_nand", | |
101 | .id = 0, | |
102 | ||
103 | .num_resources = ARRAY_SIZE(davinci_nand_resources), | |
104 | .resource = davinci_nand_resources, | |
105 | ||
106 | .dev = { | |
107 | .platform_data = &davinci_nand_data, | |
108 | }, | |
109 | }; | |
110 | ||
111 | static struct davinci_i2c_platform_data i2c_pdata = { | |
112 | .bus_freq = 400 /* kHz */, | |
113 | .bus_delay = 0 /* usec */, | |
00642f66 PJ |
114 | .sda_pin = 15, |
115 | .scl_pin = 14, | |
95a3477f KH |
116 | }; |
117 | ||
61aa0732 | 118 | static struct snd_platform_data dm355_evm_snd_data; |
25acf553 | 119 | |
95a3477f KH |
120 | static int dm355evm_mmc_gpios = -EINVAL; |
121 | ||
122 | static void dm355evm_mmcsd_gpios(unsigned gpio) | |
123 | { | |
124 | gpio_request(gpio + 0, "mmc0_ro"); | |
125 | gpio_request(gpio + 1, "mmc0_cd"); | |
126 | gpio_request(gpio + 2, "mmc1_ro"); | |
127 | gpio_request(gpio + 3, "mmc1_cd"); | |
128 | ||
129 | /* we "know" these are input-only so we don't | |
130 | * need to call gpio_direction_input() | |
131 | */ | |
132 | ||
133 | dm355evm_mmc_gpios = gpio; | |
134 | } | |
135 | ||
136 | static struct i2c_board_info dm355evm_i2c_info[] = { | |
51e68e27 | 137 | { I2C_BOARD_INFO("dm355evm_msp", 0x25), |
95a3477f | 138 | .platform_data = dm355evm_mmcsd_gpios, |
51e68e27 MK |
139 | }, |
140 | /* { plus irq }, */ | |
1a7ff8ff | 141 | { I2C_BOARD_INFO("tlv320aic33", 0x1b), }, |
95a3477f KH |
142 | }; |
143 | ||
144 | static void __init evm_init_i2c(void) | |
145 | { | |
146 | davinci_init_i2c(&i2c_pdata); | |
147 | ||
148 | gpio_request(5, "dm355evm_msp"); | |
149 | gpio_direction_input(5); | |
150 | dm355evm_i2c_info[0].irq = gpio_to_irq(5); | |
151 | ||
152 | i2c_register_board_info(1, dm355evm_i2c_info, | |
153 | ARRAY_SIZE(dm355evm_i2c_info)); | |
154 | } | |
155 | ||
156 | static struct resource dm355evm_dm9000_rsrc[] = { | |
157 | { | |
158 | /* addr */ | |
159 | .start = 0x04014000, | |
160 | .end = 0x04014001, | |
161 | .flags = IORESOURCE_MEM, | |
162 | }, { | |
163 | /* data */ | |
164 | .start = 0x04014002, | |
165 | .end = 0x04014003, | |
166 | .flags = IORESOURCE_MEM, | |
167 | }, { | |
168 | .flags = IORESOURCE_IRQ | |
169 | | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */, | |
170 | }, | |
171 | }; | |
172 | ||
173 | static struct platform_device dm355evm_dm9000 = { | |
174 | .name = "dm9000", | |
175 | .id = -1, | |
176 | .resource = dm355evm_dm9000_rsrc, | |
177 | .num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc), | |
178 | }; | |
179 | ||
51e68e27 MK |
180 | static struct tvp514x_platform_data tvp5146_pdata = { |
181 | .clk_polarity = 0, | |
182 | .hs_polarity = 1, | |
183 | .vs_polarity = 1 | |
184 | }; | |
185 | ||
186 | #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) | |
187 | /* Inputs available at the TVP5146 */ | |
188 | static struct v4l2_input tvp5146_inputs[] = { | |
189 | { | |
190 | .index = 0, | |
191 | .name = "Composite", | |
192 | .type = V4L2_INPUT_TYPE_CAMERA, | |
193 | .std = TVP514X_STD_ALL, | |
194 | }, | |
195 | { | |
196 | .index = 1, | |
197 | .name = "S-Video", | |
198 | .type = V4L2_INPUT_TYPE_CAMERA, | |
199 | .std = TVP514X_STD_ALL, | |
200 | }, | |
201 | }; | |
202 | ||
203 | /* | |
204 | * this is the route info for connecting each input to decoder | |
205 | * ouput that goes to vpfe. There is a one to one correspondence | |
206 | * with tvp5146_inputs | |
207 | */ | |
208 | static struct vpfe_route tvp5146_routes[] = { | |
209 | { | |
210 | .input = INPUT_CVBS_VI2B, | |
211 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, | |
212 | }, | |
213 | { | |
214 | .input = INPUT_SVIDEO_VI2C_VI1C, | |
215 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, | |
216 | }, | |
217 | }; | |
218 | ||
219 | static struct vpfe_subdev_info vpfe_sub_devs[] = { | |
220 | { | |
221 | .name = "tvp5146", | |
222 | .grp_id = 0, | |
223 | .num_inputs = ARRAY_SIZE(tvp5146_inputs), | |
224 | .inputs = tvp5146_inputs, | |
225 | .routes = tvp5146_routes, | |
226 | .can_route = 1, | |
227 | .ccdc_if_params = { | |
228 | .if_type = VPFE_BT656, | |
229 | .hdpol = VPFE_PINPOL_POSITIVE, | |
230 | .vdpol = VPFE_PINPOL_POSITIVE, | |
231 | }, | |
232 | .board_info = { | |
233 | I2C_BOARD_INFO("tvp5146", 0x5d), | |
234 | .platform_data = &tvp5146_pdata, | |
235 | }, | |
236 | } | |
237 | }; | |
238 | ||
239 | static struct vpfe_config vpfe_cfg = { | |
240 | .num_subdevs = ARRAY_SIZE(vpfe_sub_devs), | |
077639f4 | 241 | .i2c_adapter_id = 1, |
51e68e27 MK |
242 | .sub_devs = vpfe_sub_devs, |
243 | .card_name = "DM355 EVM", | |
244 | .ccdc = "DM355 CCDC", | |
245 | }; | |
246 | ||
95a3477f KH |
247 | static struct platform_device *davinci_evm_devices[] __initdata = { |
248 | &dm355evm_dm9000, | |
249 | &davinci_nand_device, | |
250 | }; | |
251 | ||
252 | static struct davinci_uart_config uart_config __initdata = { | |
253 | .enabled_uarts = (1 << 0), | |
254 | }; | |
255 | ||
256 | static void __init dm355_evm_map_io(void) | |
257 | { | |
51e68e27 MK |
258 | /* setup input configuration for VPFE input devices */ |
259 | dm355_set_vpfe_config(&vpfe_cfg); | |
95a3477f KH |
260 | dm355_init(); |
261 | } | |
262 | ||
2dbf56ae KH |
263 | static int dm355evm_mmc_get_cd(int module) |
264 | { | |
265 | if (!gpio_is_valid(dm355evm_mmc_gpios)) | |
266 | return -ENXIO; | |
267 | /* low == card present */ | |
268 | return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1); | |
269 | } | |
270 | ||
271 | static int dm355evm_mmc_get_ro(int module) | |
272 | { | |
273 | if (!gpio_is_valid(dm355evm_mmc_gpios)) | |
274 | return -ENXIO; | |
275 | /* high == card's write protect switch active */ | |
276 | return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0); | |
277 | } | |
278 | ||
279 | static struct davinci_mmc_config dm355evm_mmc_config = { | |
280 | .get_cd = dm355evm_mmc_get_cd, | |
281 | .get_ro = dm355evm_mmc_get_ro, | |
282 | .wires = 4, | |
283 | .max_freq = 50000000, | |
284 | .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, | |
285 | .version = MMC_CTLR_VERSION_1, | |
286 | }; | |
287 | ||
95a3477f KH |
288 | /* Don't connect anything to J10 unless you're only using USB host |
289 | * mode *and* have to do so with some kind of gender-bender. If | |
290 | * you have proper Mini-B or Mini-A cables (or Mini-A adapters) | |
291 | * the ID pin won't need any help. | |
292 | */ | |
293 | #ifdef CONFIG_USB_MUSB_PERIPHERAL | |
294 | #define USB_ID_VALUE 0 /* ID pulled high; *should* float */ | |
295 | #else | |
296 | #define USB_ID_VALUE 1 /* ID pulled low */ | |
297 | #endif | |
298 | ||
299 | static struct spi_eeprom at25640a = { | |
300 | .byte_len = SZ_64K / 8, | |
301 | .name = "at25640a", | |
302 | .page_size = 32, | |
303 | .flags = EE_ADDR2, | |
304 | }; | |
305 | ||
306 | static struct spi_board_info dm355_evm_spi_info[] __initconst = { | |
307 | { | |
308 | .modalias = "at25", | |
309 | .platform_data = &at25640a, | |
310 | .max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */ | |
311 | .bus_num = 0, | |
312 | .chip_select = 0, | |
313 | .mode = SPI_MODE_0, | |
314 | }, | |
315 | }; | |
316 | ||
317 | static __init void dm355_evm_init(void) | |
318 | { | |
319 | struct clk *aemif; | |
320 | ||
321 | gpio_request(1, "dm9000"); | |
322 | gpio_direction_input(1); | |
323 | dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1); | |
324 | ||
325 | aemif = clk_get(&dm355evm_dm9000.dev, "aemif"); | |
326 | if (IS_ERR(aemif)) | |
327 | WARN("%s: unable to get AEMIF clock\n", __func__); | |
328 | else | |
329 | clk_enable(aemif); | |
330 | ||
331 | platform_add_devices(davinci_evm_devices, | |
332 | ARRAY_SIZE(davinci_evm_devices)); | |
333 | evm_init_i2c(); | |
334 | davinci_serial_init(&uart_config); | |
335 | ||
336 | /* NOTE: NAND flash timings set by the UBL are slower than | |
337 | * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204 | |
338 | * but could be 0x0400008c for about 25% faster page reads. | |
339 | */ | |
340 | ||
341 | gpio_request(2, "usb_id_toggle"); | |
342 | gpio_direction_output(2, USB_ID_VALUE); | |
343 | /* irlml6401 switches over 1A in under 8 msec */ | |
355fb4e3 | 344 | davinci_setup_usb(1000, 8); |
95a3477f | 345 | |
2dbf56ae KH |
346 | davinci_setup_mmc(0, &dm355evm_mmc_config); |
347 | davinci_setup_mmc(1, &dm355evm_mmc_config); | |
348 | ||
95a3477f KH |
349 | dm355_init_spi0(BIT(0), dm355_evm_spi_info, |
350 | ARRAY_SIZE(dm355_evm_spi_info)); | |
25acf553 C |
351 | |
352 | /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */ | |
353 | dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN, &dm355_evm_snd_data); | |
95a3477f KH |
354 | } |
355 | ||
356 | static __init void dm355_evm_irq_init(void) | |
357 | { | |
358 | davinci_irq_init(); | |
359 | } | |
360 | ||
361 | MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM") | |
362 | .phys_io = IO_PHYS, | |
363 | .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, | |
364 | .boot_params = (0x80000100), | |
365 | .map_io = dm355_evm_map_io, | |
366 | .init_irq = dm355_evm_irq_init, | |
367 | .timer = &davinci_timer, | |
368 | .init_machine = dm355_evm_init, | |
369 | MACHINE_END |